hollow grouting rock bolt/self drilling anchor rod
USD $5 - $20 /Piece
Min.Order:500 Pieces
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Rebar Anchor Rod
Rebar Anchor Rod is widely used in coal mine, railway, water and electricity, etc.. The full strength of the whole length of the anchor bolt is 40% higher than that of the same specification bolt, and the use range of the bolt is enlarged, and the end anchor, the lengthened anchor and the full anchor can be realized, and the operation is simple and the price is low.
Advantages of Rebar Anchor Rod
The full strength of the whole length of the anchor bolt is 40% higher than that of the same specification bolt, and the use range of the bolt is enlarged, and the end anchor, the lengthened anchor and the full anchor can be realized, and the operation is simple and the price is low.
Structural characteristics of Rebar Anchor Rod
The whole length of the rod body is provided with rolling continuous threads, and the length of the rod body is equal.
Applicable conditions of Rebar Anchor Rod
1.according to the requirement of design of bolt holes, drilling with drilling machine, anchor drill or coal electric drill, short bolt length depth ratio 80-100mm.
2. with the pressure tube into the fundus, through compressed air, the hole in the rock powder blowing.
3. The diameter of drilling hole is larger than the diameter of bolt 6-12mm.
4.the use of the drug will be sent to the bottom of the cone, start mixing device for mixing, according to the resin anchor anchor requirements strictly control the mixing time.
5.after curing time, set the tray, tighten nut.
Material 20MnSi | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Yield Load (KN) | Tensile Load (KN) | Kg/m |
φ16 | ≥345 | ≥510 | ≥25 | ≥69 | ≥100 | 1.6 |
φ18 | ≥345 | ≥510 | ≥25 | ≥87 | ≥126 | 2.0 |
φ20 | ≥345 | ≥510 | ≥25 | ≥108 | ≥156 | 2.5 |
φ22 | ≥345 | ≥510 | ≥25 | ≥131 | ≥189 | 3.0 |